CRYO Slim works by using sub-zero temperatures to destroy body fat. The peltier effect gives CRYO Slim precise temperature control creating the perfect conditions to reduce fat without damaging surrounding tissue, & improve the appearance of your skin. (Results vary from person to person) At the beginning of the application, there is a 4 minute heating process to draw fat to the surface. Then 24 minutes of Cryofuel to destroy fat cells follows, losing inches in the process. New Shape, New You.